Thermoplastic complex yarn with thermoforming function and thermoplastic fabric therewith

ABSTRACT

A thermoplastic complex yarn with thermoforming function and thermoplastic fabric therewith are provided. The thermoplastic complex yarn is formed according to a low temperature hot melt fiber wound around the peripheral of a high strength fiber. The thermoplastic complex yarn can be further alternant-plaited with a general yarn to form as a thermoplastic fabric. And, when the thermoplastic complex yarn or the thermoplastic fabric is under hot pressing by a hot-pressing die, the low temperature hot melt fiber can be thermoformed, and further collocated with the high strength fiber for supporting, thus, the thermoplastic complex yarn or the thermoplastic fabric can be formed into various shapes by various hot-pressing dies for increasing the application field thereof, and which can be as the major material of the external package box, such that achieves the purpose of ecology environment protection.

REFERENCE TO RELATED APPLICATIONS

This Application is based on Provisional Patent Application Ser. No.60/712,444 filed on 31 Aug. 2005.

FIELD OF THE INVENTION

The present invention relates to a thermoplastic complex yarn withthermoforming function and thermoplastic fabric therewith, which are notonly used for increasing the application field thereof, but also used asthe major material of external package boxes for achieving the purposeof ecology environment protection.

BACKGROUND OF THE INVENTION

Due to the progress of generation, some of conventional goods andmaterials are developed for various different application fields anddirections. For example, in accordance with a general fabric, theapplication field thereof is simply used for windproof purpose, andthen, which is getting to become as adornment. The application field ofthat is further transferred to be as external package material forgeneral goods from human cloth. Thus, the look-and-feel of theappearance of goods can be advanced, and on the other hand, the fabriccan be further provided for additional protection.

However, the general fabric is without plasticity, and either cannotsupport for the three-dimensional appearance forming, therefore, oncethat have to be used for the external package goods or boxes, the bottomof the cloth generally has to be adhered a colloid or a thermoplasticmaterial, and then, the colloid or the thermoplastic should be proceededby manufacturing process to form a specific three-dimensional appearanceand a support for ensuring that the fabric is with the samethree-dimensional appearance and supporting.

Although conventional fabric can be formed into three-dimensionalappearance, but there are still some shortcomings as following;

-   1. As the colloid or the thermoplastic material adhered to the    bottom of the fabric, the manufacturing processes of that is much    complication, and the external surface of the bottom of the fabric    will be coarse, such that will be maintained disadvantageously.-   2. According to the colloid or the thermoplastic material adhered to    the bottom of the fabric, as that is staid a period of time or under    dreadful environment, the thermoplastic material will be fell off    from the fabric.

SUMMARY OF THE INVENTION

Accordingly, how to design a thermoplastic complex yarn withthermoforming function and thermoplastic fabric therewith, in accordancewith the previous mentioned shortcomings of the prior art, such not onlyadvantages adhering process for the fabric and the material, but alsoincreases the application fields and the supporting strength, is the keypoint of the present invention. Therefore,

It is a primary object of the present invention to provide athermoplastic complex yarn with thermoforming function, which canimprove the structure and support strength of the thermoplastic complexyarn, and further comprise thermoforming function for increasingapplication fields of that.

It is a secondary object of the present invention to provide athermoplastic fabric with thermoforming function, which can be processedby a hot-pressing procedure, and further provided on the appearance of agood, such that not only improves the convenience of forming, but alsoadvances the adhesive of the thermoplastic fabric, which can reduce theprobability of the thermoplastic fabric falling off under dreadfulenvironment.

It is another object of the present invention to provide a fabric withthermoforming function, which can be processed by a hot-pressing die toform a specific three-dimensional shape for suitable of packaging box,such that replaces papers or plastic materials of packaging boxgenerally, which can further achieve the purpose of ecology environmentprotection.

To achieve the previous mentioned objects, the present inventionprovides a thermoplastic complex yarn with thermoforming function,comprising at least one high strength fiber for supporting the structurestrength of the thermoplastic complex yarn; and at least one lowtemperature hot melt fiber wound around the peripheral of the highstrength fiber, wherein the low temperature hot melt is made by amaterial with hot melt feather.

To achieve the previous mentioned objects, the present inventionprovides a thermoplastic fabric with thermoforming function,alternant-wound by a complex yarn and a yarn, wherein the complex yarnis formed by a plurality of low temperature hot melt fibers wound arounda plurality of high strength fibers.

BRIEF DESCRIPTION OF THE DRAWINGS

It will be understood that the figures are not to scale since theindividual layers are too thin and the thickness differences of variouslayers too great to permit depiction to scale.

FIG. 1 is a three-dimensional view of a preferred embodiment of thepresent invention thermoplastic complex yarn with thermoformingfunction;

FIG. 2 is a three-dimensional view of the present inventionthermoplastic complex yarn within winding around;

FIG. 3 is a three-dimensional view of a preferred embodiment of thepresent invention thermoplastic fabric with thermoforming function;

FIG. 4 is a three-dimensional view of another preferred embodiment ofthe present invention thermoplastic fabric;

FIG. 5 is a three-dimensional view of another preferred embodiment ofthe present invention thermoplastic fabric; and

FIG. 6A and FIG. 6B are respectively the flow charts of a preferredembodiment of the present invention thermoplastic fabric withinthermoforming process.

DETAILED DESCRIPTION OF THE INVENTION

The structural features and the effects to be achieved may further beunderstood and appreciated by reference to the presently preferredembodiments together with the detailed description.

Referring to FIG. 1, is a three-dimensional view of a preferredembodiment of the present invention thermoplastic complex yarn withthermoforming function. A low temperature hot melt fiber 113 windsaround the peripheral of a high strength fiber 111 to form athermoplastic complex yarn 11 with thermoforming function. When thethermoplastic complex yarn 11 is processed by a hot-pressing procedure,such can be transformed easily to a desired figure, according to the lowtemperature hot melt fiber 113 with thermoforming feather. Further, thehigh strength fiber 111 will be formed as the desired figure (asreference symbol 101 shown on FIG. 6B) following the low temperature hotmelt fiber 113, which further efficiently improves the support andstructure strength of the thermoplastic complex yarn 11 (as referencesymbol F2 shown on FIG. 6B). Thus, the thermoplastic complex yarn 11will be with high tension, high tenacity, and easy thermoforming.

Referring to FIG. 2, is a three-dimensional view of the presentinvention thermoplastic complex yarn within winding around. Thethermoplastic complex yarn 11 is provided according to a plurality ofhigh strength fibers wound around together to form as another highstrength fiber 111 or a high strength fiber bundle 112. And further, aplurality of low temperature hot melt fibers 113 is wound around theperipheral of the high strength fiber 111/112 for being with thefeathers of thermoforming and supporting.

And, the way of providing the thermoplastic complex yarn 11, can beselectively as a plurality of high strength fibers 111 or a highstrength fiber bundle 112 to be the center of the thermoplastic complexyarn 11, and the peripheral of the high strength fibers 111 or a highstrength fiber bundle 112 is wound around by at least one layer of thelow temperature hot melt fiber 113 or the low temperature hot melt fiberbundle 114/115 in clockwise direction or counter clockwise direction. Inaccordance with this embodiment, a first low temperature hot melt fiberbundle 114 is wound around the peripheral of a high strength fiberbundle 112 in counter clockwise direction, and then, a second lowtemperature hot melt fiber bundle 115 is wound around the peripheral ofthe first low temperature hot melt fiber bundle 114 in clockwisedirection, thus, the purpose of improving the forming of high strengthfiber bundle 112 is achieved.

Within an embodiment of the present invention, the high strength fiber111 can be selectively as a material with high tension and tenacity,such as a glass fiber, a carbon fiber, a nylon fiber, a metal fiber, anda combination thereof. The low temperature hot melt fiber 113 can beselectively as a material with the feather of hot melt or lowtemperature hot melt, such as a low melting point polyester fiber, apolypropylene fiber, an acrylic fiber, and a combination thereof.

Referring to FIG. 3, is a three-dimensional view of a preferredembodiment of the present invention thermoplastic fabric withthermoforming function. The thermoplastic fabric 10 is alternant plaitedby at least one thermoplastic complex yarn 11 and at least oneconnecting yarn 12; thus, the thermoplastic fabric 10 can be also withthe feathers of thermoforming and supporting, as well as thethermoplastic complex yarn 11.

And, the plaiting way of the thermoplastic complex yarn 11 and theconnecting yarn 12 can be selectively as conventional textile skill.Within an embodiment of the present invention, the plaiting way of thethermoplastic complex yarn 11 and the connecting yarn 12 can beselectively as the weaving skill. The thermoplastic fabric 10 is aweaving double fabric, which comprises an external layer 123 provided onthe upper layer, and a thermoplastic layer 121 provided on the lowerlayer, wherein the thermoplastic layer 121 is plaited by a thermoplasticcomplex yarn 11 and a connecting yarn 12, and the external layer 123 isplaited by a surface layer yarn 13 and the connecting yarn 12. And, thepartial connecting yarn 12 can pass through the thermoplastic complexyarn 11 and the surface layer yarn 13 to tightly combine both of whichfor presenting various figure patterns, according to the providing ofthe surface layer yarn 13, and further increasing the application fieldsof the thermoplastic complex yarn 11 or the thermoplastic fabric 10,according to the thermoforming and supporting of the thermoplasticcomplex yarn 11.

Referring to FIG. 4, is a three-dimensional view of another preferredembodiment of the present invention thermoplastic fabric. Thethermoplastic fabric 20 can be made selectively by a knit skill. Withinan embodiment of the present invention, the knitting double fabric 20comprises a surface layer yarn 13 and a thermoplastic complex yarn 11 atleast. That is, the purpose of increasing the application fields andimproving the feather of thermoforming for the thermoplastic fabric 20can be achieved.

Referring to FIG. 5, is a three-dimensional view of another preferredembodiment of the present invention thermoplastic fabric. Thethermoplastic complex yarn 11 can be plaited individually into athermoplastic layer 31, and then, the thermoplastic layer 31 and afabric 33 plaited by a yarn 13 are stacked each other to from athermoplastic fabric 30. The thermoplastic layer 31 and the fabric 33are adhered by a hot-pressing procedure to form as a thermoplasticfabric 30. Surely, the fabric 33 can also be an external layer 123, theappearance of which can be formed with including at least one figurepattern.

The fabric 33 and a good (none shown) can be adhered by the applying ofthe thermoplastic layer 31. For example, the thermoplastic layer 31 isprovided between the fabric 33 and the good, and then, processing theabove mentioned hot-pressing procedure for adhering the fabric 33 on theexternal of the good, thus, the procedure of adhering a colloid can besaved, and further improve the adhesive strength between both of which.

Finally, referring to FIG. 6A and FIG. 6B, are respectively the flowcharts of a preferred embodiment of the present invention thermoplasticfabric within thermoforming process. The present invention discloses anexternal force F from as a first hot-pressing die 41 and a secondhot-pressing die 43 to process thermoforming procedure for athermoplastic fabric 10 to form a specific three-dimensional figure 101.

First, the first hot-pressing die 41 and the corresponding secondhot-pressing die 43 respectively comprise the corresponding first figurepattern 411 and second figure pattern 431, which can be used to embeddedboth of which. A thermoplastic fabric 10 is placed between the firsthot-pressing die 41 and the second hot-pressing die 43, and then,pressing and heating for the first hot-pressing die 41 and the secondhot-pressing die 43, further, idling a period of time for cooling thehot-pressing dies 41/43 and the thermoplastic fabric 10. When the firsthot-pressing die 41 and the second hot-pressing die 43 are took apart,the thermoplastic fabric placed between both of which will be formedinto a three-dimensional figure as well as the first figure pattern 411and the second figure pattern 431, wherein the three-dimensional figure101 will be with a fixed three-dimensional appearance. The supportstrength of such appearance can be provided by the high strength fiber111, thus, the three-dimensional figure 101 is not only able towithstand the hit from external force, but also be able to retain theappearance without deformation.

In accordance with the three-dimensional figure 101 with the fixedappearance provided on thermoplastic fabric 10, the application fieldsof the thermoplastic fabric 10 can be increased. For example, thethermoplastic fabric 10 with the three-dimensional figure 101 can beused to as a container, or an adornment, and applied for packaging boxto replace the conventional plastic and paper material, which may bemuch dreadful environment, thus, the purpose of ecology environmentprotection can be achieved.

Surely, when the thermoplastic fabric 10 is selectively used to be madeinto a container, the external or the internal of that can be coatedaround a colloid (none shown), after the three-dimensional figure formedon the thermoplastic fabric 10. Wherein, the colloid can be as a resinfor improving the support strength of the three-dimensional figure 101.And, within an embodiment of the present invention, the external surfaceof the thermoplastic fabric 10 is coated around the colloid, and then,processing the hot-pressing procedure.

Similarly, within the above mentioned embodiment, the thermoplasticfabric 10 is as the object of description, as well as, within practicalapplication, the thermoplastic fabric 20 and the thermoplastic fabric 30can be processed by the same procedure, such as a hot-pressing, forforming the three-dimensional figure.

In summary, it is appreciated that the present invention is related to athermoplastic complex yarn with thermoforming function and thermoplasticfabric therewith, which are not only used for increasing the applicationfield thereof, but also used as the major material of external packageboxes for achieving the purpose of ecology environment protection.

The foregoing description is merely one embodiment of present invention-and not considered as restrictive. All equivalent variations andmodifications in process, method, feature, and spirit in accordance withthe appended claims may be made without in any way from the scope of theinvention.

1. A thermoplastic complex yarn with thermoforming function, comprising:at least one high strength fiber for supporting the structure strengthof said thermoplastic complex yarn; and at least one low temperature hotmelt fiber wound around the peripheral of said high strength fiber,wherein said low temperature hot melt is made by a material with hotmelt feather.
 2. The thermoplastic complex yarn of claim 1, wherein saidlow temperature hot melt fiber can be selectively made by one of a glassfiber, a carbon fiber, a metal fiber, and a combination thereof.
 3. Thethermoplastic complex yarn of claim 1, wherein said high strength fibercan be selectively made by one of a low melting point polyester fiber, apolypropylene fiber, an acrylic fiber, and a combination thereof.
 4. Thethermoplastic complex yarn of claim 1, wherein said thermoplasticcomplex yarn can be plaited to be as a thermoplastic layer.
 5. Thethermoplastic complex yarn of claim 4, wherein said thermoplastic layercan be stacked with a fabric to form as a thermoplastic fabric.
 6. Thethermoplastic complex yarn of claim 1, wherein said thermoplasticcomplex yarn can be alternant-plaited with a yarn to form as athermoplastic fabric.
 7. The thermoplastic complex yarn of claim 6,wherein said thermoplastic fabric can be selectively made by the way ofone of the knit and the weave.
 8. The thermoplastic complex yarn ofclaim 6, wherein said yarn is as a surface layer yarn, which can bealternant-plaited with said thermoplastic complex yarn to form as saidthermoplastic fabric by a connecting yarn.
 9. The thermoplastic complexyarn of claim 6, wherein said thermoplastic fabric can be formed as atleast one three-dimensional figure according to an external force. 10.The thermoplastic complex yarn of claim 9, wherein the external surfaceof said three-dimensional figure coats with a colloid.
 11. Thethermoplastic complex yarn of claim 1, further comprising a highstrength fiber bundle, alternant-wound by a plurality of high strengthfibers, wherein the peripheral of said high strength fiber is woundaround said low temperature hot melt fiber.
 12. The thermoplasticcomplex yarn of claim 1, wherein said low temperature hot melt fiber canselectively wind around the peripheral of said high strength fiber inone of the clockwise direction, the counter-clockwise direction, and acombination thereof.
 13. A thermoplastic fabric with thermoformingfunction, alternant-wound by a complex yarn and a yarn, wherein saidcomplex yarn is formed by a plurality of low temperature hot melt fiberswound around a plurality of high strength fibers.
 14. The thermoplasticfabric of claim 13, wherein the plaiting way for said complex yarn and ayarn can be selectively as one of the knit and the weave.
 15. Thethermoplastic fabric of claim 13, wherein further provides a externalforce to form at least one three-dimensional figure within saidthermoplastic fabric.
 16. The thermoplastic fabric of claim 15, whereinthe external surface of said three-dimensional figure is coated with acolloid.
 17. The thermoplastic fabric of claim 13, wherein said complexyarn can be plaited as a thermoplastic layer, which can be furtherstacked with a fabric to form as said thermoplastic fabric.
 18. Thethermoplastic fabric of claim 13, wherein said yarn is a surface layeryarn, which can be alternant-plaited with said complex yarn by aconnecting yarn.
 19. The thermoplastic fabric of claim 13, wherein saidlow temperature hot melt fiber can selectively wind around theperipheral of said high strength fiber in one of the clockwisedirection, the counter-clockwise direction, and a combination thereof.20. The thermoplastic fabric of claim 13, wherein said low temperaturehot melt fiber can be selectively made by one of a glass fiber, a carbonfiber, a metal fiber, and a combination thereof, and said high strengthfiber can be selectively made by one of a low melting point polyesterfiber, a polypropylene fiber, an acrylic fiber, and a combinationthereof.